Sound effect commonly used in the place of, or to accompany, the word bellend.
Frequently presented with a signature hand gesture:
Place the tips your thumb and first finger of your right handtogether and shake from the wrist as if ringing a bell.
Person1: *points at a foolishlooking person* errr, bellend.
(adj.) Along the lines of "pwned" or "rejected;" commonly used on xoxohth.com and biglawboard.com to indicate when someone has been beaten in an argument or otherwise been relegated to failure.